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JavaScript Games: Tetris

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Author: User
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Javascript

You know what you're supposed to see?

No time to write notes ... :(

This is almost beautiful! You can change the shape of the cube as long as you add or modify it to the block. :)

<!--
Http://futurecom.vze.com
Http://dewin.vze.com
Http://dewin.126.com
http://dewin.tk


Copyright (c) 1998-2003 Dewin All rights reserved

Start 2002-09-20 14:45
Finish 2002-10-31 23:50
Last Edit 2003-08-14 01:25
-->
<body>
<script>

var Rows = 17;
var Cells = 10;
var objw = Objh = 20;

var scores= 0;
var Marks = [100,400,900,1600];

var BASEBW = 5;
var basebgcolor = ' white ';

var BLOCKBW = 2;
var blockbs = ' inset ';
var blockbc = ' Orange ';

var glowcolor = ' #ffff00 ';
var glowstrength = 5;

var ospeed = 151;

Square Data

block = [];
block[0]=[
'   ',
' 1 ',
' 111 ']
Block[0].change = 4;
Block[0].color = ' red ';

block[1]=[
'   ',
' 1 ',
' 111 ']
Block[1].change = 4;
Block[1].color = ' green ';

block[2]=[
'   ',
' 1 ',
' 111 ']
Block[2].change = 4;
Block[2].color = ' orange ';

block[3]=[
' 11 ',
' 11 ']
Block[3].change = 2;
Block[3].color = ' fuchsia ';

block[4]=[
' 11 ',
' 11 ']
Block[4].change = 2;
Block[4].color = ' yellow ';

block[5]=[
' 1111 ']
Block[5].change = 2;
Block[5].color = ' lime ';

block[6]=[
' 11 ',
' 11 ']
Block[6].change = 1;
Block[6].color = ' Blue ';


block[7]=[
' 1 ']
Block[7].change = 1;
Block[7].color = ' Gold ';

block[8]=[
'   ',
' 1 1 ',
' 111 ']
Block[8].change = 4;
Block[8].color = ' Pink ';

block[9]=[
' 111 ',
' 1 ',
' 1 ']
Block[9].change = 4;
Block[9].color = ' black ';

Box ready to fall
function Readyfordown (obj1,obj2) {
OBJ1.K = parseint (Math.random () *block.length);
if (! Newblock[obj1.k].length) {
Switch (block[obj1.k].change) {
Case 1:CHANGE0 (OBJ1.K);
Case 2:CHANGE0 (OBJ1.K); Change1 (OBJ1.K);
Case 4:CHANGE0 (OBJ1.K); Change1 (OBJ1.K); Change2 (OBJ1.K);
}
}
Obj1. Change = parseint (Math.random () *block[obj1.k].change);
obj2.innerhtml = newblock[obj1.k][obj1. change].ihtml;
Obj1. GAPX = parseint (newblock[obj1.k][obj1. CHANGE][0].LENGTH/2);
Checkobjgapy (obj1,newblock[obj1.k][obj1. Change].length);
Obj1. X = parseint (CELLS/2);
Obj1. Y = 0;
}

function Checkobjgapy (obj,k) {
if (! Newblock[obj.k][obj. Change][k-1].join ("). Match (/\d+/)) {
Obj. Gapy = 1-k;
Checkobjgapy (obj,k-1);
}
else obj. Gapy =-K;
}

Change the shape of a square
function Changeblock () {
if (Block[obj1.k].change > 1) {
Obj1.testchange = (obj1.change+1 >= block[obj1.k].change)? 0:obj1. change+1;
OBJ1.TESTGAPX = parseint (NEWBLOCK[OBJ1.K][OBJ1.TESTCHANGE][0].LENGTH/2);
Obj1.testgapy =-newblock[obj1.k][obj1.testchange].length;
Obj1.testl = OBJ1.X-OBJ1.TESTGAPX;
OBJ1.TESTT = obj1.y+obj1.testgapy;
var K1 = K2 = Areas;
for (var i=obj1.testl;i>=0 && i>obj1.testl-newblock[obj1.k][obj1.testchange].lg;i--) {if (k1= Checkchangeblock (i))!=areas) Break}
for (var i=obj1.testl+1;i<cells && i<obj1.testl+newblock[obj1.k][obj1.testchange].lg;i++) {if (k2= Checkchangeblock (i))!=areas) Break}
if (k1 = = K2) return;
OBJ1.L = (Math.Abs (OBJ1.TESTL-K1) >math.abs (OBJ1.TESTL-K2))? K2:k1;
obj1.t = OBJ1.TESTT;
OBJ1.GAPX = OBJ1.TESTGAPX;
Obj1.gapy = obj1.testgapy;
obj1.x = OBJ1.L+OBJ1.GAPX;
Obj1.y = obj1.t-obj1.gapy;
Obj1.change = Obj1.testchange;
SkinDiv.style.left = OBJ1.L*OBJW;
SkinDiv.style.top = OBJ1.T*OBJH;
skindiv.innerhtml = newblock[obj1.k][obj1.change].ihtml;
}
}

After detecting the change, the value of the square relative to the left.

function Checkchangeblock (lefts) {
for (Var y=0;y<newblock[obj1.k][obj1.testchange].length;y++) {
for (Var x=0;x<newblock[obj1.k][obj1.testchange][0].length;x++) {
if (newblock[obj1.k][obj1.testchange][y][x]==1) {
Try{if (Map[obj1.testt+y][lefts+x]!= ') return Areas}
catch (e) {}
}
}
}
return lefts;
}

Direction control

Function Dir (xx,yy) {
var special = False
if (newblock[obj1.k][obj1.change].length==1 && newblock[ obj1.k][obj1.change][0]==1)
 for (var y=obj1.t+1;y<rows-1;y++)
  if (map[y+yy][obj1.l]== "") {
   Special = True
   break;
  }
for (Var y=newblock[obj1.k][obj1.change].length-1;y>=0;y--) {
 for (var x=newblock[ obj1.k][obj1.change][0].length-1;x>=0;x--) {
  if (newblock[obj1.k][obj1.change][y][x]==1) {
    try{
   if (yy==0 && obj1.l+x+xx<0 | | Obj1.l+x+xx>=cells | | map[obj1.t+y][obj1.l+x+xx]==1) return;//Cross
   if (obj1.t+y+yy>=rows | | (!special && map[obj1.t+y+yy][obj1.l+x+xx]==1)) return Createblockinmap ()//Vertical
  }
   catch (e) {}
  }
 }
 
SkinDiv.style.left = (obj1.l= (obj1.x+=xx)-obj1.gapx) *OBJW;
SkinDiv.style.top = (obj1.t= (obj1.y+=yy) +obj1.gapy) *objh;
}

Start creating maps.
function Createblockinmap () {
for (Var y=0;y<newblock[obj1.k][obj1.change].length;y++) {
for (Var x=0;x<newblock[obj1.k][obj1.change][0].length;x++) {
try{
if (newblock[obj1.k][obj1.change][y][x]==1) {
MAP[OBJ1.T+Y][OBJ1.L+X] = newblock[obj1.k][obj1.change][y][x];
basediv.childnodes[areas-(obj1.t+y) *cells+obj1.l+x].style.background = Block[obj1.k].color;
basediv.childnodes[areas-(obj1.t+y) *cells+obj1.l+x].style.visibility = ' visible ';
}
}
catch (e) {return Gameover ()}
}
}
Checkblockappear ();
Readyfordown (OBJ2,READYBLOCKDIV);
}


function Checkblockappear () {
Clearinterval (GoTime2);
Gotime2=0
var newmap = [];
var ihtml = ';
var k = Rows-1;
var kk =-1;
for (Var y=rows-1;y>=0;y--) {
if (Map[y].join (')!= fullstring) {newmap[k--] = Map[y]}
else{
kk++;
for (Var x=0;x<cells;x++) {
basediv.childnodes[areas-(Y+KK) *cells].removenode (true);
ihtml + = "<span style=" width: "+objw+"; Height: "+objh+"; border: "+blockbw+" "+blockbs+" "+blockbc+"; Overflow:hidden ; Visibility:hidden; ' ></span> ";
}
}
}
for (; k>=0;k--) {
NEWMAP[K] = [];
for (Var x=0;x<cells;x++) {
Newmap[k][x] = ';
}
}
if (kk!=-1) scorediv.innerhtml = (Scores+=marks[kk]);//cal the Scores
for (Var i=0;i<rows;i++) {Map[i]=newmap[i]}
basediv.innerhtml + = ihtml;
For (i in Obj2) {Obj1[i] = obj2[i]}//obj2 => Obj1
skindiv.innerhtml = newblock[obj1.k][obj1.change].ihtml;
SkinDiv.style.left = (OBJ1.L = obj1.x-obj1.gapx) *objw;
SkinDiv.style.top = (obj1.t = obj1.gapy) *objh;
}


function Gameover () {
if (Confirm (' Game over, restart? ')) Window.location.reload ();
else Window.close ();
}

Initialize an array of variants of a square

function Change0 (k) {
NEWBLOCK[K] = [];
NEWBLOCK[K][0] = [];
newblock[k][0].ihtml = ';
for (Var y=0;y<block[k].length;y++) {
Newblock[k][0][y] = [];
for (Var x=0;x<block[k][0].length;x++) {
Newblock[k][0].ihtml + = ((Newblock[k][0][y][x]=block[k][y].charat (x)) = = 1)? Blockhtml (x,y,k): "";
}
}
Checkblocklong (k,0);
}

function Change1 (k) {
NEWBLOCK[K][1] = [];
newblock[k][1].ihtml = ';
for (Var y=0;y<block[k][0].length;y++) {
Newblock[k][1][y] = [];
for (Var x=0;x<block[k].length;x++) {
Newblock[k][1].ihtml + = ((Newblock[k][1][y][x]=block[k][block[k].length-x-1].charat (y)) = = 1)? Blockhtml (x,y,k): "";
}
}
Checkblocklong (k,1);
}

Function Change2 (k) {
newblock[k][2] = [];
NEWBLOCK[K][3] = [];
newblock[k][2].ihtml = ';
newblock[k][3].ihtml = ';
for (Var y=0;y<block[k].length;y++) {
 newblock[k][2][y] = [];
 for (var x=0;x<block[k][0].length;x++) {
  newblock[k][2].ihtml + = (newblock[k][2][y][x]=block[k][ Block[k].length-y-1].charat (block[k][0].length-x-1)) = = 1)? Blockhtml (x,y,k): "";
 }
 }
for (Var y=0;y<block[k][0].length;y++) {
 newblock[k][3][y] = [];
 for (var x=0;x<block[k].length;x++) {
  newblock[k][3].ihtml = = ((newblock[k][3][y][x]=block[k][x). CharAt (block[k][0].length-y-1)) = = 1)? Blockhtml (x,y,k): "";
 }
 }
Checkblocklong (k,2);
Checkblocklong (k,3);
}

function blockhtml (x,y,k) {
Return "<span style= ' position:absolute;left:" +x*objw+ ", Top:" +y*objh+ "; width:" +objw+ "; Height:" +objh+ "; Background: "+block[k].color+"; border: "+blockbw+" "+blockbs+" "+blockbc+"; overflow:hidden; ' ></span> "
}

function Checkblocklong (k,i) {
for (Var y=0;y<newblock[k][i].length;y++) {
NEWBLOCK[K][I][Y].LG = (newblock[k][i][y].tostring (). Match (/\d+/) ==null) 0:newblock[k][i][y].join (') match (/\d+ /). ToString (). length;
}
NEWBLOCK[K][I].LG = 1;
for (Var y=0;y<newblock[k][i].length;y++) {
NEWBLOCK[K][I].LG = Math.max (NEWBLOCK[K][I][Y].LG,NEWBLOCK[K][I].LG);
}
}

function Document.onkeydown () {
Switch (event.keycode) {
Case 34:clearinterval (gotime); Ospeed+=10;if (gotime>0) {Dir (0,1); Gotime=setinterval (' Dir (0,1) ', ospeed)};break;//page up
Case 33:if (ospeed-10>0) {clearinterval (gotime); Ospeed-=5};if (gotime>0) {Dir (0,1); Gotime=setinterval (' Dir (0,1) ', ospeed); Break;//page down
Case 38:if (gotime>0) gotime2=setinterval ("Dir (0,1)", 1); break;//up
Case 37:checkkeydown ( -1,0,150,20); break;//left
Case 39:checkkeydown (1,0,150,20); break;//right
Case 40:checkkeydown (0,1,150,20); Break;//down
Case 96:if (gotime>0) Changeblock (); break;//0
Case 83:checkstart ();
}
}

function Document.onkeyup () {
Dokeydown=false
}

function Checkkeydown (x,y,t1,t2) {
if (gotime>0 &&! Dokeydown) {
Dir (X,y)
Dokeydown=true
SetTimeout ("if (Dokeydown) Keydownagain" ("+x+", "+y+", "+t2+"); ", T1)
}
}

function Keydownagain (x,y,t2) {
if (gotime>0 && dokeydown) {
Dir (X,y)
settimeout ("Keydownagain" ("+x+", "+y+", "+t2+") ", T2)
}
}


function Checkstart () {
if (gotime = = 1) {
Checkblockappear ();
Gotime = 0;
Readyfordown (OBJ2,READYBLOCKDIV);
}
if (! Gotime) {
Dir (0,1);
Gotime = SetInterval (' Dir (0,1) ', ospeed);
}
else{
Clearinterval (Gotime);
Gotime = 0;
}
}


var Map = [];
var newblock = [];
var Areas = 0;
var gotime =-1, GoTime2;
var fullstring = ';
var Obj1 = new Object ();
var Obj2 = new Object ();
var dokeydown=false

Window.focus ();
var ihtml = ';
var basewidth = CELLS*OBJW;
var baseheight = Rows*objh;
var mainmapwidth = 2*BASEBW+CELLS*OBJW;
var mainmapheight = 2*basebw+rows*objh;
Document.body.innerHTML = "<font color=red>press \ S\" button to Star or stop<br>press \ "0\" button to change Quadrel into Another shape<br>press \ ' page up\ ' to Speed up<br>press \ ' page down\ ' to Speed down</font> <span style= ' position:absolute;left: "+ (Document.body.clientwidth-mainmapwidth)/2+"; Top: "+ ( Document.body.clientheight-mainmapheight)/2+ "; width:" +mainmapwidth+ "; Height:" +mainmapheight+ "; overflow:visible ; border: "+basebw+" inset #0000CC; ><span style= ' position:absolute;left:0;top:0;width: "+basewidth+"; Height: "+baseheight+"; Filter:glow (color= "+glowcolor+", strength= "+glowstrength+"); ' ><span id= ' basediv ' style= ' position:absolute;left:0;top:0;width: "+basewidth+"; Height: "+BaseHeight+"; filter : FLIPV; ' ></span></span><span id=skindiv style= ' Position:absolute; ' ></span><span id= ' readyblockdiv ' style= ' position:absolute;left: "+mainmapwidth+"; top:0; ' ></span><span id=scorediv style= ' position:absolute;left: ' + (MAINMAPWIDTH+50) + "; Top:" + (MainMapHeight-20) + "; ' > "+scores+" </span></span>;
for (Var i=0,k=cells*rows;i<k;i++) {ihtml + + <span style= ' width: ' +objw+ '; height: "+objh+"; border: "+blockbw+" "+ blockbs+ "+blockbc+"; overflow:hidden;visibility:hidden; ' ></span> "}
for (Var i=0;i<block.length;i++) newblock[i]=[]
fullstring = new Array (cells+1). Join ("1")
for (Var y=0;y<rows;y++) {
Map[y] = [];
for (var x=0;x<cells;x++) map[y][x]= ';
}
Areas = cells* (Rows-1);
basediv.innerhtml = ihtml;
Readyfordown (OBJ2,READYBLOCKDIV);

</script>



This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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